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android: Remove game database 

The content provider + database solution was excessive and is now replaced with the simple file checks from before but turned into an array list held within a viewmodel.
This commit is contained in:
Charles Lombardo 2023-04-03 05:01:54 -04:00 committed by bunnei
parent 4816d5158e
commit 9d7a60346f
18 changed files with 155 additions and 774 deletions
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4
src/android/app/build.gradle
View File

@ -140,10 +140,6 @@ dependencies {
implementation "io.coil-kt:coil:2.2.2"
implementation 'androidx.core:core-splashscreen:1.0.0'
implementation 'androidx.window:window:1.0.0'
// Allows FRP-style asynchronous operations in Android.
implementation 'io.reactivex:rxandroid:1.2.1'
implementation 'com.nononsenseapps:filepicker:4.2.1'
implementation 'org.ini4j:ini4j:0.5.4'
implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.1.0'

17
src/android/app/src/main/AndroidManifest.xml
View File

@ -65,23 +65,6 @@
<service android:name="org.yuzu.yuzu_emu.utils.ForegroundService"/>
<provider
android:name="org.yuzu.yuzu_emu.model.GameProvider"
android:authorities="${applicationId}.provider"
android:enabled="true"
android:exported="false">
</provider>
<provider
android:name="androidx.core.content.FileProvider"
android:authorities="${applicationId}.filesprovider"
android:exported="false"
android:grantUriPermissions="true">
<meta-data
android:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/nnf_provider_paths" />
</provider>
<provider
android:name=".features.DocumentProvider"
android:authorities="${applicationId}.user"

4
src/android/app/src/main/java/org/yuzu/yuzu_emu/YuzuApplication.kt
View File

@ -7,7 +7,6 @@ import android.app.Application
import android.app.NotificationChannel
import android.app.NotificationManager
import android.content.Context
import org.yuzu.yuzu_emu.model.GameDatabase
import org.yuzu.yuzu_emu.utils.DirectoryInitialization
import org.yuzu.yuzu_emu.utils.DocumentsTree
import org.yuzu.yuzu_emu.utils.GpuDriverHelper
@ -45,12 +44,9 @@ class YuzuApplication : Application() {
// TODO(bunnei): Disable notifications until we support app suspension.
//createNotificationChannel();
databaseHelper = GameDatabase(this)
}
companion object {
var databaseHelper: GameDatabase? = null
@JvmField
var documentsTree: DocumentsTree? = null
lateinit var application: YuzuApplication

181
src/android/app/src/main/java/org/yuzu/yuzu_emu/adapters/GameAdapter.kt
View File

@ -3,11 +3,8 @@
package org.yuzu.yuzu_emu.adapters
import android.database.Cursor
import android.database.DataSetObserver
import android.graphics.Bitmap
import android.graphics.BitmapFactory
import android.net.Uri
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
@ -16,7 +13,6 @@ import androidx.appcompat.app.AppCompatActivity
import androidx.lifecycle.lifecycleScope
import androidx.recyclerview.widget.RecyclerView
import coil.load
import com.google.android.material.color.MaterialColors
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
@ -25,31 +21,16 @@ import org.yuzu.yuzu_emu.R
import org.yuzu.yuzu_emu.databinding.CardGameBinding
import org.yuzu.yuzu_emu.activities.EmulationActivity
import org.yuzu.yuzu_emu.model.Game
import org.yuzu.yuzu_emu.model.GameDatabase
import org.yuzu.yuzu_emu.utils.Log
import org.yuzu.yuzu_emu.viewholders.GameViewHolder
import java.util.*
import java.util.stream.Stream
import kotlin.collections.ArrayList
/**
* This adapter gets its information from a database Cursor. This fact, paired with the usage of
* ContentProviders and Loaders, allows for efficient display of a limited view into a (possibly)
* large dataset.
*/
class GameAdapter(private val activity: AppCompatActivity) : RecyclerView.Adapter<GameViewHolder>(),
class GameAdapter(private val activity: AppCompatActivity, var games: ArrayList<Game>) :
RecyclerView.Adapter<GameAdapter.GameViewHolder>(),
View.OnClickListener {
private var cursor: Cursor? = null
private val observer: GameDataSetObserver?
private var isDatasetValid = false
/**
* Initializes the adapter's observer, which watches for changes to the dataset. The adapter will
* display no data until a Cursor is supplied by a CursorLoader.
*/
init {
observer = GameDataSetObserver()
}
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): GameViewHolder {
// Create a new view.
val binding = CardGameBinding.inflate(LayoutInflater.from(parent.context))
@ -60,114 +41,11 @@ class GameAdapter(private val activity: AppCompatActivity) : RecyclerView.Adapte
}
override fun onBindViewHolder(holder: GameViewHolder, position: Int) {
if (isDatasetValid) {
if (cursor!!.moveToPosition(position)) {
// TODO These shouldn't be necessary once the move to a DB-based model is complete.
val game = Game(
cursor!!.getString(GameDatabase.GAME_COLUMN_TITLE),
cursor!!.getString(GameDatabase.GAME_COLUMN_DESCRIPTION),
cursor!!.getString(GameDatabase.GAME_COLUMN_REGIONS),
cursor!!.getString(GameDatabase.GAME_COLUMN_PATH),
cursor!!.getString(GameDatabase.GAME_COLUMN_GAME_ID),
cursor!!.getString(GameDatabase.GAME_COLUMN_CAPTION)
)
holder.game = game
holder.binding.imageGameScreen.scaleType = ImageView.ScaleType.CENTER_CROP
activity.lifecycleScope.launch {
val bitmap = decodeGameIcon(game.path)
holder.binding.imageGameScreen.load(bitmap) {
error(R.drawable.no_icon)
crossfade(true)
}
}
holder.binding.textGameTitle.text = game.title.replace("[\\t\\n\\r]+".toRegex(), " ")
holder.binding.textGameCaption.text = game.company
if (game.company.isEmpty()) {
holder.binding.textGameCaption.visibility = View.GONE
}
val backgroundColorId =
if (isValidGame(holder.game.path)) R.attr.colorSurface else R.attr.colorErrorContainer
val itemView = holder.itemView
itemView.setBackgroundColor(
MaterialColors.getColor(
itemView,
backgroundColorId
)
)
} else {
Log.error("[GameAdapter] Can't bind view; Cursor is not valid.")
}
} else {
Log.error("[GameAdapter] Can't bind view; dataset is not valid.")
}
holder.bind(games[position])
}
override fun getItemCount(): Int {
if (isDatasetValid && cursor != null) {
return cursor!!.count
}
Log.error("[GameAdapter] Dataset is not valid.")
return 0
}
/**
* Return the contents of the _id column for a given row.
*
* @param position The row for which Android wants an ID.
* @return A valid ID from the database, or 0 if not available.
*/
override fun getItemId(position: Int): Long {
if (isDatasetValid && cursor != null) {
if (cursor!!.moveToPosition(position)) {
return cursor!!.getLong(GameDatabase.COLUMN_DB_ID)
}
}
Log.error("[GameAdapter] Dataset is not valid.")
return 0
}
/**
* Tell Android whether or not each item in the dataset has a stable identifier.
* Which it does, because it's a database, so always tell Android 'true'.
*
* @param hasStableIds ignored.
*/
override fun setHasStableIds(hasStableIds: Boolean) {
super.setHasStableIds(true)
}
/**
* When a load is finished, call this to replace the existing data with the newly-loaded
* data.
*
* @param cursor The newly-loaded Cursor.
*/
fun swapCursor(cursor: Cursor) {
// Sanity check.
if (cursor === this.cursor) {
return
}
// Before getting rid of the old cursor, disassociate it from the Observer.
val oldCursor = this.cursor
if (oldCursor != null && observer != null) {
oldCursor.unregisterDataSetObserver(observer)
}
this.cursor = cursor
isDatasetValid = if (this.cursor != null) {
// Attempt to associate the new Cursor with the Observer.
if (observer != null) {
this.cursor!!.registerDataSetObserver(observer)
}
true
} else {
false
}
notifyDataSetChanged()
return games.size
}
/**
@ -180,11 +58,38 @@ class GameAdapter(private val activity: AppCompatActivity) : RecyclerView.Adapte
EmulationActivity.launch((view.context as AppCompatActivity), holder.game)
}
private fun isValidGame(path: String): Boolean {
return Stream.of(".rar", ".zip", ".7z", ".torrent", ".tar", ".gz")
.noneMatch { suffix: String? ->
path.lowercase(Locale.getDefault()).endsWith(suffix!!)
inner class GameViewHolder(val binding: CardGameBinding) :
RecyclerView.ViewHolder(binding.root) {
lateinit var game: Game
init {
itemView.tag = this
}
fun bind(game: Game) {
this.game = game
binding.imageGameScreen.scaleType = ImageView.ScaleType.CENTER_CROP
activity.lifecycleScope.launch {
val bitmap = decodeGameIcon(game.path)
binding.imageGameScreen.load(bitmap) {
error(R.drawable.no_icon)
crossfade(true)
}
}
binding.textGameTitle.text = game.title.replace("[\\t\\n\\r]+".toRegex(), " ")
binding.textGameCaption.text = game.company
if (game.company.isEmpty()) {
binding.textGameCaption.visibility = View.GONE
}
}
}
fun swapData(games: ArrayList<Game>) {
this.games = games
notifyDataSetChanged()
}
private fun decodeGameIcon(uri: String): Bitmap? {
@ -196,18 +101,4 @@ class GameAdapter(private val activity: AppCompatActivity) : RecyclerView.Adapte
BitmapFactory.Options()
)
}
private inner class GameDataSetObserver : DataSetObserver() {
override fun onChanged() {
super.onChanged()
isDatasetValid = true
notifyDataSetChanged()
}
override fun onInvalidated() {
super.onInvalidated()
isDatasetValid = false
notifyDataSetChanged()
}
}
}

38
src/android/app/src/main/java/org/yuzu/yuzu_emu/model/Game.kt
View File

@ -3,11 +3,8 @@
package org.yuzu.yuzu_emu.model
import android.content.ContentValues
import android.database.Cursor
import android.os.Parcelable
import kotlinx.parcelize.Parcelize
import java.nio.file.Paths
import java.util.HashSet
@Parcelize
@ -23,40 +20,5 @@ class Game(
val extensions: Set<String> = HashSet(
listOf(".xci", ".nsp", ".nca", ".nro")
)
@JvmStatic
fun asContentValues(
title: String?,
description: String?,
regions: String?,
path: String?,
gameId: String,
company: String?
): ContentValues {
var realGameId = gameId
val values = ContentValues()
if (realGameId.isEmpty()) {
// Homebrew, etc. may not have a game ID, use filename as a unique identifier
realGameId = Paths.get(path).fileName.toString()
}
values.put(GameDatabase.KEY_GAME_TITLE, title)
values.put(GameDatabase.KEY_GAME_DESCRIPTION, description)
values.put(GameDatabase.KEY_GAME_REGIONS, regions)
values.put(GameDatabase.KEY_GAME_PATH, path)
values.put(GameDatabase.KEY_GAME_ID, realGameId)
values.put(GameDatabase.KEY_GAME_COMPANY, company)
return values
}
fun fromCursor(cursor: Cursor): Game {
return Game(
cursor.getString(GameDatabase.GAME_COLUMN_TITLE),
cursor.getString(GameDatabase.GAME_COLUMN_DESCRIPTION),
cursor.getString(GameDatabase.GAME_COLUMN_REGIONS),
cursor.getString(GameDatabase.GAME_COLUMN_PATH),
cursor.getString(GameDatabase.GAME_COLUMN_GAME_ID),
cursor.getString(GameDatabase.GAME_COLUMN_CAPTION)
)
}
}
}

263
src/android/app/src/main/java/org/yuzu/yuzu_emu/model/GameDatabase.kt
View File

@ -1,263 +0,0 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.model
import android.content.Context
import android.database.Cursor
import android.database.sqlite.SQLiteDatabase
import android.database.sqlite.SQLiteOpenHelper
import android.net.Uri
import org.yuzu.yuzu_emu.NativeLibrary
import org.yuzu.yuzu_emu.utils.FileUtil
import org.yuzu.yuzu_emu.utils.Log
import rx.Observable
import rx.Subscriber
import java.io.File
import java.util.*
/**
* A helper class that provides several utilities simplifying interaction with
* the SQLite database.
*/
class GameDatabase(private val context: Context) :
SQLiteOpenHelper(context, "games.db", null, DB_VERSION) {
override fun onCreate(database: SQLiteDatabase) {
Log.debug("[GameDatabase] GameDatabase - Creating database...")
execSqlAndLog(database, SQL_CREATE_GAMES)
execSqlAndLog(database, SQL_CREATE_FOLDERS)
}
override fun onDowngrade(database: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
Log.verbose("[GameDatabase] Downgrades not supporting, clearing databases..")
execSqlAndLog(database, SQL_DELETE_FOLDERS)
execSqlAndLog(database, SQL_CREATE_FOLDERS)
execSqlAndLog(database, SQL_DELETE_GAMES)
execSqlAndLog(database, SQL_CREATE_GAMES)
}
override fun onUpgrade(database: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
Log.info(
"[GameDatabase] Upgrading database from schema version $oldVersion to $newVersion"
)
// Delete all the games
execSqlAndLog(database, SQL_DELETE_GAMES)
execSqlAndLog(database, SQL_CREATE_GAMES)
}
fun resetDatabase(database: SQLiteDatabase) {
execSqlAndLog(database, SQL_DELETE_FOLDERS)
execSqlAndLog(database, SQL_CREATE_FOLDERS)
execSqlAndLog(database, SQL_DELETE_GAMES)
execSqlAndLog(database, SQL_CREATE_GAMES)
}
fun scanLibrary(database: SQLiteDatabase) {
// Before scanning known folders, go through the game table and remove any entries for which the file itself is missing.
val fileCursor = database.query(
TABLE_NAME_GAMES,
null, // Get all columns.
null, // Get all rows.
null,
null, // No grouping.
null,
null
) // Order of games is irrelevant.
// Possibly overly defensive, but ensures that moveToNext() does not skip a row.
fileCursor.moveToPosition(-1)
while (fileCursor.moveToNext()) {
val gamePath = fileCursor.getString(GAME_COLUMN_PATH)
val game = File(gamePath)
if (!game.exists()) {
database.delete(
TABLE_NAME_GAMES,
"$KEY_DB_ID = ?",
arrayOf(fileCursor.getLong(COLUMN_DB_ID).toString())
)
}
}
// Get a cursor listing all the folders the user has added to the library.
val folderCursor = database.query(
TABLE_NAME_FOLDERS,
null, // Get all columns.
null, // Get all rows.
null,
null, // No grouping.
null,
null
) // Order of folders is irrelevant.
// Possibly overly defensive, but ensures that moveToNext() does not skip a row.
folderCursor.moveToPosition(-1)
// Iterate through all results of the DB query (i.e. all folders in the library.)
while (folderCursor.moveToNext()) {
val folderPath = folderCursor.getString(FOLDER_COLUMN_PATH)
val folderUri = Uri.parse(folderPath)
// If the folder is empty because it no longer exists, remove it from the library.
if (FileUtil.listFiles(context, folderUri).isEmpty()) {
Log.error(
"[GameDatabase] Folder no longer exists. Removing from the library: $folderPath"
)
database.delete(
TABLE_NAME_FOLDERS,
"$KEY_DB_ID = ?",
arrayOf(folderCursor.getLong(COLUMN_DB_ID).toString())
)
}
addGamesRecursive(database, folderUri, Game.extensions, 3)
}
fileCursor.close()
folderCursor.close()
database.close()
}
private fun addGamesRecursive(
database: SQLiteDatabase,
parent: Uri,
allowedExtensions: Set<String>,
depth: Int
) {
if (depth <= 0)
return
// Ensure keys are loaded so that ROM metadata can be decrypted.
NativeLibrary.ReloadKeys()
val children = FileUtil.listFiles(context, parent)
for (file in children) {
if (file.isDirectory) {
addGamesRecursive(database, file.uri, Game.extensions, depth - 1)
} else {
val filename = file.uri.toString()
val extensionStart = filename.lastIndexOf('.')
if (extensionStart > 0) {
val fileExtension = filename.substring(extensionStart)
// Check that the file has an extension we care about before trying to read out of it.
if (allowedExtensions.contains(fileExtension.lowercase(Locale.getDefault()))) {
attemptToAddGame(database, filename)
}
}
}
}
}
// Pass the result cursor to the consumer.
// Tell the consumer we're done; it will unsubscribe implicitly.
val games: Observable<Cursor?>
get() = Observable.create { subscriber: Subscriber<in Cursor?> ->
Log.info("[GameDatabase] Reading games list...")
val database = readableDatabase
val resultCursor = database.query(
TABLE_NAME_GAMES,
null,
null,
null,
null,
null,
"$KEY_GAME_TITLE ASC"
)
// Pass the result cursor to the consumer.
subscriber.onNext(resultCursor)
// Tell the consumer we're done; it will unsubscribe implicitly.
subscriber.onCompleted()
}
private fun execSqlAndLog(database: SQLiteDatabase, sql: String) {
Log.verbose("[GameDatabase] Executing SQL: $sql")
database.execSQL(sql)
}
companion object {
const val COLUMN_DB_ID = 0
const val GAME_COLUMN_PATH = 1
const val GAME_COLUMN_TITLE = 2
const val GAME_COLUMN_DESCRIPTION = 3
const val GAME_COLUMN_REGIONS = 4
const val GAME_COLUMN_GAME_ID = 5
const val GAME_COLUMN_CAPTION = 6
const val FOLDER_COLUMN_PATH = 1
const val KEY_DB_ID = "_id"
const val KEY_GAME_PATH = "path"
const val KEY_GAME_TITLE = "title"
const val KEY_GAME_DESCRIPTION = "description"
const val KEY_GAME_REGIONS = "regions"
const val KEY_GAME_ID = "game_id"
const val KEY_GAME_COMPANY = "company"
const val KEY_FOLDER_PATH = "path"
const val TABLE_NAME_FOLDERS = "folders"
const val TABLE_NAME_GAMES = "games"
private const val DB_VERSION = 2
private const val TYPE_PRIMARY = " INTEGER PRIMARY KEY"
private const val TYPE_INTEGER = " INTEGER"
private const val TYPE_STRING = " TEXT"
private const val CONSTRAINT_UNIQUE = " UNIQUE"
private const val SEPARATOR = ", "
private const val SQL_CREATE_GAMES = ("CREATE TABLE " + TABLE_NAME_GAMES + "("
+ KEY_DB_ID + TYPE_PRIMARY + SEPARATOR
+ KEY_GAME_PATH + TYPE_STRING + SEPARATOR
+ KEY_GAME_TITLE + TYPE_STRING + SEPARATOR
+ KEY_GAME_DESCRIPTION + TYPE_STRING + SEPARATOR
+ KEY_GAME_REGIONS + TYPE_STRING + SEPARATOR
+ KEY_GAME_ID + TYPE_STRING + SEPARATOR
+ KEY_GAME_COMPANY + TYPE_STRING + ")")
private const val SQL_CREATE_FOLDERS = ("CREATE TABLE " + TABLE_NAME_FOLDERS + "("
+ KEY_DB_ID + TYPE_PRIMARY + SEPARATOR
+ KEY_FOLDER_PATH + TYPE_STRING + CONSTRAINT_UNIQUE + ")")
private const val SQL_DELETE_FOLDERS = "DROP TABLE IF EXISTS $TABLE_NAME_FOLDERS"
private const val SQL_DELETE_GAMES = "DROP TABLE IF EXISTS $TABLE_NAME_GAMES"
private fun attemptToAddGame(database: SQLiteDatabase, filePath: String) {
var name = NativeLibrary.GetTitle(filePath)
// If the game's title field is empty, use the filename.
if (name.isEmpty()) {
name = filePath.substring(filePath.lastIndexOf("/") + 1)
}
var gameId = NativeLibrary.GetGameId(filePath)
// If the game's ID field is empty, use the filename without extension.
if (gameId.isEmpty()) {
gameId = filePath.substring(
filePath.lastIndexOf("/") + 1,
filePath.lastIndexOf(".")
)
}
val game = Game.asContentValues(
name,
NativeLibrary.GetDescription(filePath).replace("\n", " "),
NativeLibrary.GetRegions(filePath),
filePath,
gameId,
NativeLibrary.GetCompany(filePath)
)
// Try to update an existing game first.
val rowsMatched = database.update(
TABLE_NAME_GAMES, // Which table to update.
game, // The values to fill the row with.
"$KEY_GAME_ID = ?", arrayOf(
game.getAsString(
KEY_GAME_ID
)
)
)
// The ? in WHERE clause is replaced with this,
// which is provided as an array because there
// could potentially be more than one argument.
// If update fails, insert a new game instead.
if (rowsMatched == 0) {
Log.verbose("[GameDatabase] Adding game: " + game.getAsString(KEY_GAME_TITLE))
database.insert(TABLE_NAME_GAMES, null, game)
} else {
Log.verbose("[GameDatabase] Updated game: " + game.getAsString(KEY_GAME_TITLE))
}
}
}
}

130
src/android/app/src/main/java/org/yuzu/yuzu_emu/model/GameProvider.kt
View File

@ -1,130 +0,0 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.model
import android.content.ContentProvider
import android.content.ContentValues
import android.database.Cursor
import android.database.sqlite.SQLiteDatabase
import android.net.Uri
import org.yuzu.yuzu_emu.BuildConfig
import org.yuzu.yuzu_emu.utils.Log
/**
* Provides an interface allowing Activities to interact with the SQLite database.
* CRUD methods in this class can be called by Activities using getContentResolver().
*/
class GameProvider : ContentProvider() {
private var mDbHelper: GameDatabase? = null
override fun onCreate(): Boolean {
Log.info("[GameProvider] Creating Content Provider...")
mDbHelper = GameDatabase(context!!)
return true
}
override fun query(
uri: Uri,
projection: Array<String>?,
selection: String?,
selectionArgs: Array<String>?,
sortOrder: String?
): Cursor? {
Log.info("[GameProvider] Querying URI: $uri")
val db = mDbHelper!!.readableDatabase
val table = uri.lastPathSegment
if (table == null) {
Log.error("[GameProvider] Badly formatted URI: $uri")
return null
}
val cursor = db.query(table, projection, selection, selectionArgs, null, null, sortOrder)
cursor.setNotificationUri(context!!.contentResolver, uri)
return cursor
}
override fun getType(uri: Uri): String? {
Log.verbose("[GameProvider] Getting MIME type for URI: $uri")
val lastSegment = uri.lastPathSegment
if (lastSegment == null) {
Log.error("[GameProvider] Badly formatted URI: $uri")
return null
}
if (lastSegment == GameDatabase.TABLE_NAME_FOLDERS) {
return MIME_TYPE_FOLDER
} else if (lastSegment == GameDatabase.TABLE_NAME_GAMES) {
return MIME_TYPE_GAME
}
Log.error("[GameProvider] Unknown MIME type for URI: $uri")
return null
}
override fun insert(uri: Uri, values: ContentValues?): Uri {
var realUri = uri
Log.info("[GameProvider] Inserting row at URI: $realUri")
val database = mDbHelper!!.writableDatabase
val table = realUri.lastPathSegment
if (table != null) {
if (table == RESET_LIBRARY) {
mDbHelper!!.resetDatabase(database)
return realUri
}
if (table == REFRESH_LIBRARY) {
Log.info(
"[GameProvider] URI specified table REFRESH_LIBRARY. No insertion necessary; refreshing library contents..."
)
mDbHelper!!.scanLibrary(database)
return realUri
}
val id =
database.insertWithOnConflict(table, null, values, SQLiteDatabase.CONFLICT_IGNORE)
// If insertion was successful...
if (id > 0) {
// If we just added a folder, add its contents to the game list.
if (table == GameDatabase.TABLE_NAME_FOLDERS) {
mDbHelper!!.scanLibrary(database)
}
// Notify the UI that its contents should be refreshed.
context!!.contentResolver.notifyChange(realUri, null)
realUri = Uri.withAppendedPath(realUri, id.toString())
} else {
Log.error("[GameProvider] Row already exists: $realUri id: $id")
}
} else {
Log.error("[GameProvider] Badly formatted URI: $realUri")
}
database.close()
return realUri
}
override fun delete(uri: Uri, selection: String?, selectionArgs: Array<String>?): Int {
Log.error("[GameProvider] Delete operations unsupported. URI: $uri")
return 0
}
override fun update(
uri: Uri, values: ContentValues?, selection: String?,
selectionArgs: Array<String>?
): Int {
Log.error("[GameProvider] Update operations unsupported. URI: $uri")
return 0
}
companion object {
const val REFRESH_LIBRARY = "refresh"
const val RESET_LIBRARY = "reset"
private const val AUTHORITY = "content://${BuildConfig.APPLICATION_ID}.provider"
@JvmField
val URI_FOLDER: Uri = Uri.parse("$AUTHORITY/${GameDatabase.TABLE_NAME_FOLDERS}/")
@JvmField
val URI_REFRESH: Uri = Uri.parse("$AUTHORITY/$REFRESH_LIBRARY/")
@JvmField
val URI_RESET: Uri = Uri.parse("$AUTHORITY/$RESET_LIBRARY/")
const val MIME_TYPE_FOLDER = "vnd.android.cursor.item/vnd.yuzu.folder"
const val MIME_TYPE_GAME = "vnd.android.cursor.item/vnd.yuzu.game"
}
}

18
src/android/app/src/main/java/org/yuzu/yuzu_emu/model/GamesViewModel.kt Normal file
View File

@ -0,0 +1,18 @@
package org.yuzu.yuzu_emu.model
import androidx.lifecycle.LiveData
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
class GamesViewModel : ViewModel() {
private val _games = MutableLiveData<ArrayList<Game>>()
val games: LiveData<ArrayList<Game>> get() = _games
init {
_games.value = ArrayList()
}
fun setGames(games: ArrayList<Game>) {
_games.value = games
}
}

19
src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/main/MainActivity.kt
View File

@ -18,6 +18,7 @@ import androidx.core.view.WindowCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.updatePadding
import androidx.lifecycle.lifecycleScope
import androidx.preference.PreferenceManager
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
@ -28,7 +29,6 @@ import org.yuzu.yuzu_emu.activities.EmulationActivity
import org.yuzu.yuzu_emu.databinding.ActivityMainBinding
import org.yuzu.yuzu_emu.databinding.DialogProgressBarBinding
import org.yuzu.yuzu_emu.features.settings.ui.SettingsActivity
import org.yuzu.yuzu_emu.model.GameProvider
import org.yuzu.yuzu_emu.ui.platform.PlatformGamesFragment
import org.yuzu.yuzu_emu.utils.*
import java.io.IOException
@ -82,11 +82,6 @@ class MainActivity : AppCompatActivity(), MainView {
)
}
override fun onResume() {
super.onResume()
presenter.addDirIfNeeded(AddDirectoryHelper(this))
}
override fun onCreateOptionsMenu(menu: Menu): Boolean {
menuInflater.inflate(R.menu.menu_game_grid, menu)
return true
@ -99,11 +94,6 @@ class MainActivity : AppCompatActivity(), MainView {
binding.toolbarMain.subtitle = version
}
override fun refresh() {
contentResolver.insert(GameProvider.URI_REFRESH, null)
refreshFragment()
}
override fun launchSettingsActivity(menuTag: String) {
SettingsActivity.launch(this, menuTag, "")
}
@ -185,10 +175,9 @@ class MainActivity : AppCompatActivity(), MainView {
// When a new directory is picked, we currently will reset the existing games
// database. This effectively means that only one game directory is supported.
// TODO(bunnei): Consider fixing this in the future, or removing code for this.
contentResolver.insert(GameProvider.URI_RESET, null)
// Add the new directory
presenter.onDirectorySelected(result.toString())
PreferenceManager.getDefaultSharedPreferences(applicationContext).edit()
.putString(GameHelper.KEY_GAME_PATH, result.toString())
.apply()
}
private val getProdKey =

22
src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/main/MainPresenter.kt
View File

@ -5,17 +5,12 @@ package org.yuzu.yuzu_emu.ui.main
import org.yuzu.yuzu_emu.BuildConfig
import org.yuzu.yuzu_emu.R
import org.yuzu.yuzu_emu.YuzuApplication
import org.yuzu.yuzu_emu.features.settings.utils.SettingsFile
import org.yuzu.yuzu_emu.utils.AddDirectoryHelper
class MainPresenter(private val view: MainView) {
private var dirToAdd: String? = null
fun onCreate() {
val versionName = BuildConfig.VERSION_NAME
view.setVersionString(versionName)
refreshGameList()
}
private fun launchFileListActivity(request: Int) {
@ -48,23 +43,6 @@ class MainPresenter(private val view: MainView) {
return false
}
fun addDirIfNeeded(helper: AddDirectoryHelper) {
if (dirToAdd != null) {
helper.addDirectory(dirToAdd) { view.refresh() }
dirToAdd = null
}
}
fun onDirectorySelected(dir: String?) {
dirToAdd = dir
}
private fun refreshGameList() {
val databaseHelper = YuzuApplication.databaseHelper
databaseHelper!!.scanLibrary(databaseHelper.writableDatabase)
view.refresh()
}
companion object {
const val REQUEST_ADD_DIRECTORY = 1
const val REQUEST_INSTALL_KEYS = 2

5
src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/main/MainView.kt
View File

@ -17,10 +17,7 @@ interface MainView {
*/
fun setVersionString(version: String)
/**
* Tell the view to refresh its contents.
*/
fun refresh()
fun launchSettingsActivity(menuTag: String)
fun launchFileListActivity(request: Int)
}

45
src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/platform/PlatformGamesFragment.kt
View File

@ -3,7 +3,6 @@
package org.yuzu.yuzu_emu.ui.platform
import android.database.Cursor
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
@ -13,36 +12,40 @@ import androidx.core.view.ViewCompat
import androidx.core.view.WindowInsetsCompat
import androidx.core.view.updatePadding
import androidx.fragment.app.Fragment
import androidx.lifecycle.ViewModelProvider
import com.google.android.material.color.MaterialColors
import org.yuzu.yuzu_emu.R
import org.yuzu.yuzu_emu.YuzuApplication
import org.yuzu.yuzu_emu.adapters.GameAdapter
import org.yuzu.yuzu_emu.databinding.FragmentGridBinding
import org.yuzu.yuzu_emu.layout.AutofitGridLayoutManager
import org.yuzu.yuzu_emu.model.GamesViewModel
import org.yuzu.yuzu_emu.utils.GameHelper
class PlatformGamesFragment : Fragment(), PlatformGamesView {
private val presenter = PlatformGamesPresenter(this)
class PlatformGamesFragment : Fragment() {
private var _binding: FragmentGridBinding? = null
private val binding get() = _binding!!
private lateinit var gamesViewModel: GamesViewModel
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View {
presenter.onCreateView()
_binding = FragmentGridBinding.inflate(inflater)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
gamesViewModel = ViewModelProvider(requireActivity())[GamesViewModel::class.java]
binding.gridGames.apply {
layoutManager = AutofitGridLayoutManager(
requireContext(),
requireContext().resources.getDimensionPixelSize(R.dimen.card_width)
)
adapter = GameAdapter(requireActivity() as AppCompatActivity)
adapter =
GameAdapter(requireActivity() as AppCompatActivity, gamesViewModel.games.value!!)
}
// Add swipe down to refresh gesture
@ -59,7 +62,19 @@ class PlatformGamesFragment : Fragment(), PlatformGamesView {
MaterialColors.getColor(binding.swipeRefresh, R.attr.colorOnPrimary)
)
gamesViewModel.games.observe(viewLifecycleOwner) {
(binding.gridGames.adapter as GameAdapter).swapData(it)
updateTextView()
}
setInsets()
refresh()
}
override fun onResume() {
super.onResume()
refresh()
}
override fun onDestroyView() {
@ -67,20 +82,8 @@ class PlatformGamesFragment : Fragment(), PlatformGamesView {
_binding = null
}
override fun refresh() {
val databaseHelper = YuzuApplication.databaseHelper
databaseHelper!!.scanLibrary(databaseHelper.writableDatabase)
presenter.refresh()
updateTextView()
}
override fun showGames(games: Cursor) {
if (_binding == null)
return
if (binding.gridGames.adapter != null) {
(binding.gridGames.adapter as GameAdapter).swapCursor(games)
}
fun refresh() {
gamesViewModel.setGames(GameHelper.getGames())
updateTextView()
}

33
src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/platform/PlatformGamesPresenter.kt
View File

@ -1,33 +0,0 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.ui.platform
import android.database.Cursor
import org.yuzu.yuzu_emu.YuzuApplication
import org.yuzu.yuzu_emu.utils.Log
import rx.android.schedulers.AndroidSchedulers
import rx.schedulers.Schedulers
class PlatformGamesPresenter(private val view: PlatformGamesView) {
fun onCreateView() {
loadGames()
}
fun refresh() {
Log.debug("[PlatformGamesPresenter] : Refreshing...")
loadGames()
}
private fun loadGames() {
Log.debug("[PlatformGamesPresenter] : Loading games...")
val databaseHelper = YuzuApplication.databaseHelper
databaseHelper!!.games
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe { games: Cursor? ->
Log.debug("[PlatformGamesPresenter] : Load finished, swapping cursor...")
view.showGames(games!!)
}
}
}

24
src/android/app/src/main/java/org/yuzu/yuzu_emu/ui/platform/PlatformGamesView.kt
View File

@ -1,24 +0,0 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.ui.platform
import android.database.Cursor
/**
* Abstraction for a screen representing a single platform's games.
*/
interface PlatformGamesView {
/**
* Tell the view to refresh its contents.
*/
fun refresh()
/**
* To be called when an asynchronous database read completes. Passes the
* result, in this case a [Cursor], to the view.
*
* @param games A Cursor containing the games read from the database.
*/
fun showGames(games: Cursor)
}

8
src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/Action1.kt
View File

@ -1,8 +0,0 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.utils
interface Action1<T> {
fun call(t: T?)
}

30
src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/AddDirectoryHelper.kt
View File

@ -1,30 +0,0 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.utils
import android.content.AsyncQueryHandler
import android.content.ContentValues
import android.content.Context
import android.net.Uri
import org.yuzu.yuzu_emu.model.GameDatabase
import org.yuzu.yuzu_emu.model.GameProvider
class AddDirectoryHelper(private val context: Context) {
fun addDirectory(dir: String?, onAddUnit: () -> Unit) {
val handler: AsyncQueryHandler = object : AsyncQueryHandler(context.contentResolver) {
override fun onInsertComplete(token: Int, cookie: Any?, uri: Uri) {
onAddUnit.invoke()
}
}
val file = ContentValues()
file.put(GameDatabase.KEY_FOLDER_PATH, dir)
handler.startInsert(
0, // We don't need to identify this call to the handler
null, // We don't need to pass additional data to the handler
GameProvider.URI_FOLDER, // Tell the GameProvider we are adding a folder
file
)
}
}

72
src/android/app/src/main/java/org/yuzu/yuzu_emu/utils/GameHelper.kt Normal file
View File

@ -0,0 +1,72 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.utils
import android.net.Uri
import androidx.preference.PreferenceManager
import org.yuzu.yuzu_emu.NativeLibrary
import org.yuzu.yuzu_emu.YuzuApplication
import org.yuzu.yuzu_emu.model.Game
import java.util.*
import kotlin.collections.ArrayList
object GameHelper {
const val KEY_GAME_PATH = "game_path"
fun getGames(): ArrayList<Game> {
val games = ArrayList<Game>()
val context = YuzuApplication.appContext
val gamesDir =
PreferenceManager.getDefaultSharedPreferences(context).getString(KEY_GAME_PATH, "")
val gamesUri = Uri.parse(gamesDir)
// Ensure keys are loaded so that ROM metadata can be decrypted.
NativeLibrary.ReloadKeys()
val children = FileUtil.listFiles(context, gamesUri)
for (file in children) {
if (!file.isDirectory) {
val filename = file.uri.toString()
val extensionStart = filename.lastIndexOf('.')
if (extensionStart > 0) {
val fileExtension = filename.substring(extensionStart)
// Check that the file has an extension we care about before trying to read out of it.
if (Game.extensions.contains(fileExtension.lowercase(Locale.getDefault()))) {
games.add(getGame(filename))
}
}
}
}
return games
}
private fun getGame(filePath: String): Game {
var name = NativeLibrary.GetTitle(filePath)
// If the game's title field is empty, use the filename.
if (name.isEmpty()) {
name = filePath.substring(filePath.lastIndexOf("/") + 1)
}
var gameId = NativeLibrary.GetGameId(filePath)
// If the game's ID field is empty, use the filename without extension.
if (gameId.isEmpty()) {
gameId = filePath.substring(
filePath.lastIndexOf("/") + 1,
filePath.lastIndexOf(".")
)
}
return Game(
name,
NativeLibrary.GetDescription(filePath).replace("\n", " "),
NativeLibrary.GetRegions(filePath),
filePath,
gameId,
NativeLibrary.GetCompany(filePath)
)
}
}

16
src/android/app/src/main/java/org/yuzu/yuzu_emu/viewholders/GameViewHolder.kt
View File

@ -1,16 +0,0 @@
// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.viewholders
import androidx.recyclerview.widget.RecyclerView
import org.yuzu.yuzu_emu.databinding.CardGameBinding
import org.yuzu.yuzu_emu.model.Game
class GameViewHolder(val binding: CardGameBinding) : RecyclerView.ViewHolder(binding.root) {
lateinit var game: Game
init {
itemView.tag = this
}
}